More than a third of smokers in Bath and North East Somerset admit buying illegal tobacco with one in five across the west saying they've bought bootleg supplies.
The shock findings come on the day the police and revenue and customs launch a fresh crackdown on the illegal trade which is often linked to organised crime.
Bob Gaiger is from HM Revenue & Customs:
More top news
This evening will start dry and clear, but there will be showers moving in from the northwest at times throughout the night.
It should stay mainly rain-free but there may be showery spells around dawn.
The parents of a disabled boy from Somerset say they're beyond grateful after the business tycoon offered to help them improve their home.